Q. Atmospheric pressure varies with

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Q. The magnitude of water hammer in a pipe depends upon

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Q. If velocities of fluid particles vary from point to point in magnitude and direction, as well as from instant to instant, the flow is said to be

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Q. The rise of the liquid along the walls of a revolving cylinder above the initial level, is

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Q. Fluids change the volume under external presssure due to

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Q. For maximum horse power of a nozzle, the head supplied must be equal to

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Q. The ratio of frictional factor and coefficient of friction used in general equation for a head loss in a pipe, is

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Q. Flow in pipes is turbulent if Reynold number is

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Q. Back water curve is caused if

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Q. Power transmitted through a pipe is maximum when friction head loss, is

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Q. To avoid vapourisation, pipe lines are laid over the ridge so that these are above the hydraulic gradient line, not more than

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Q. A jet projected at an angle of 45θ, 40 m from the foot of a vertical column, just reaches the top of the column. The height of the column is

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Q. If Cv, Cc, Cd and Cr are the hydraulic coefficients of an orifice, then

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Q. The specific weight of water is 1000 kg/m³

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Q. Specific weight of liquid

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Q. Manning's formula is used for

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Q. A non-uniform steady flow is through

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Q. An ideal fluid is

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Q. A fluid particle may possess the displacement of

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Q. In Chezy's formula V = C√mi

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